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From: Oliver Neukum <oneukum@suse.com>
To: Sean Rhodes <sean@starlabs.systems>, linux-bluetooth@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Heikki Krogerus <heikki.krogerus@linux.intel.com>,
	"Chia-Lin Kao (AceLan)" <acelan.kao@canonical.com>,
	Xu Yang <xu.yang_2@nxp.com>, Kees Cook <kees@kernel.org>,
	linux-usb@vger.kernel.org, Marcel Holtmann <marcel@holtmann.org>,
	Luiz Augusto von Dentz <luiz.dentz@gmail.com>,
	linux-kernel@vger.kernel.org, Paul Menzel <pmenzel@molgen.mpg.de>
Subject: Re: [PATCH v2 2/2] Bluetooth: btusb: restore powered-off Intel adapters
Date: Tue, 22 Sep 2026 11:55:58 +0200	[thread overview]
Message-ID: <38d2639a-d5a3-4d01-ab86-8aa7e2fe75a7@suse.com> (raw)
In-Reply-To: <479fdb2638f34ccb02f35a40a34fcdc7cc41ccdf.1789679981.git.sean@starlabs.systems>

On 17.09.26 23:19, Sean Rhodes wrote:

Hi,

> Tested on a Star Labs Lite Mk IV with Intel 8087:0aaa. Three Bluetooth
> off/on cycles reached ACPI D3cold, restored the same hci0 without a USB
> disconnect, and discovery found nearby devices after resume.

Have you tested this with a different device and S4?

> Signed-off-by: Sean Rhodes <sean@starlabs.systems>
> ---
>   drivers/bluetooth/btusb_main.c | 33 +++++++++++++++++++++++++++++++++
>   1 file changed, 33 insertions(+)
> 

[..]
>   #ifdef CONFIG_DEV_COREDUMP
>   static void btusb_coredump(struct device *dev)
>   {
> @@ -5093,6 +5125,7 @@ static struct usb_driver btusb_driver = {
>   	.disconnect	= btusb_disconnect,
>   	.suspend	= pm_ptr(btusb_suspend),
>   	.resume		= pm_ptr(btusb_resume),
> +	.reset_resume	= pm_ptr(btusb_reset_resume),

What happens to a connection if a lot of data has been lost?

	Regards
		Oliver




      reply	other threads:[~2026-09-22  9:56 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-17 21:19 [PATCH v2 0/2] Bluetooth: " Sean Rhodes
2026-09-17 21:19 ` [PATCH v2 1/2] usb: core: check ACPI port power during registration Sean Rhodes
2026-09-17 21:19 ` [PATCH v2 2/2] Bluetooth: btusb: restore powered-off Intel adapters Sean Rhodes
2026-09-22  9:55   ` Oliver Neukum [this message]

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